Home / 173,819,803.20-260,431,106.40-82,747,291.20

Finding the Fourth Proportional to 173,819,803.20, 260,431,106.40 and 82,747,291.20

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Solution

The fourth proportional to 173,819,803.20, 260,431,106.40 and 82,747,291.20 is: 123,978,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,819,803.20 : 260,431,106.40 = 82,747,291.20 : x
  2. Step 2: Convert to fraction form
    173,819,803.20/260,431,106.40 = 82,747,291.20/x
  3. Step 3: Cross multiply
    173,819,803.20x = 260,431,106.40 × 82,747,291.20
  4. Step 4: Simplify right side
    173,819,803.20x = 21,549,968,598,818,984
  5. Step 5: Solve for x
    x = 21,549,968,598,818,984/173,819,803.20
  6. Step 6: Final answer
    x = 123,978,788.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.